diff --git a/docs/build_mozc_in_osx.md b/docs/build_mozc_in_osx.md
index 52b95608d..345bb0d3f 100644
--- a/docs/build_mozc_in_osx.md
+++ b/docs/build_mozc_in_osx.md
@@ -87,7 +87,7 @@ python build_tools/update_deps.py
 In this step, additional build dependencies will be downloaded.
 
   * [Ninja 1.11.0](https://github.com/ninja-build/ninja/releases/download/v1.11.0/ninja-mac.zip)
-  * [Qt 6.7.0](https://download.qt.io/archive/qt/6.7/6.7.0/submodules/qtbase-everywhere-src-6.7.0.tar.xz)
+  * [Qt 6.7.1](https://download.qt.io/archive/qt/6.7/6.7.1/submodules/qtbase-everywhere-src-6.7.1.tar.xz)
   * [git submodules](../.gitmodules)
 
 You can specify `--noqt` option if you would like to use your own Qt binaries.
diff --git a/docs/build_mozc_in_windows.md b/docs/build_mozc_in_windows.md
index 202639ca5..56bee7e92 100644
--- a/docs/build_mozc_in_windows.md
+++ b/docs/build_mozc_in_windows.md
@@ -65,7 +65,7 @@ python build_tools/update_deps.py
 In this step, additional build dependencies will be downloaded.
 
   * [Ninja 1.11.0](https://github.com/ninja-build/ninja/releases/download/v1.11.0/ninja-win.zip)
-  * [Qt 6.7.0](https://download.qt.io/archive/qt/6.7/6.7.0/submodules/qtbase-everywhere-src-6.7.0.tar.xz)
+  * [Qt 6.7.1](https://download.qt.io/archive/qt/6.7/6.7.1/submodules/qtbase-everywhere-src-6.7.1.tar.xz)
   * [.NET tools](../dotnet-tools.json)
   * [git submodules](../.gitmodules)
 
diff --git a/src/WORKSPACE.bazel b/src/WORKSPACE.bazel
index d7448832f..eae4bb4cc 100644
--- a/src/WORKSPACE.bazel
+++ b/src/WORKSPACE.bazel
@@ -1,3 +1,32 @@
+# Copyright 2010-2021, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
 # An identifier for this repository.
 workspace(name = "mozc")
 
diff --git a/src/build_tools/build_qt.py b/src/build_tools/build_qt.py
index 16de1340a..3445a4d7d 100755
--- a/src/build_tools/build_qt.py
+++ b/src/build_tools/build_qt.py
@@ -69,7 +69,7 @@
 ABS_QT_DEST_DIR = ABS_MOZC_SRC_DIR.joinpath('third_party', 'qt')
 # The archive filename should be consistent with update_deps.py.
 ABS_QT6_ARCHIVE_PATH = ABS_MOZC_SRC_DIR.joinpath(
-    'third_party_cache', 'qtbase-everywhere-src-6.7.0.tar.xz')
+    'third_party_cache', 'qtbase-everywhere-src-6.7.1.tar.xz')
 ABS_DEFAULT_NINJA_DIR = ABS_MOZC_SRC_DIR.joinpath('third_party', 'ninja')
 
 
diff --git a/src/build_tools/update_deps.py b/src/build_tools/update_deps.py
index db93e3181..f0b7c9254 100644
--- a/src/build_tools/update_deps.py
+++ b/src/build_tools/update_deps.py
@@ -81,9 +81,9 @@ def __hash__(self):
 
 
 QT6 = ArchiveInfo(
-    url='https://download.qt.io/archive/qt/6.7/6.7.0/submodules/qtbase-everywhere-src-6.7.0.tar.xz',
-    size=49314276,
-    sha256='11b2e29e2e52fb0e3b453ea13bbe51a10fdff36e1c192d8868c5a40233b8b254',
+    url='https://download.qt.io/archive/qt/6.7/6.7.1/submodules/qtbase-everywhere-src-6.7.1.tar.xz',
+    size=49324536,
+    sha256='b7338da1bdccb4d861e714efffaa83f174dfe37e194916bfd7ec82279a6ace19',
 )
 
 NINJA_MAC = ArchiveInfo(